THE WONDER WHEELTeam MembersInitial IdeasSupply ListDesign / ConstructionCalculationsProblemsFinal DesignTHE WONDER WHEELTHE WONDER WHEELClaire Fage, Jared Smith, Brittani Perez, Bryan Fly, Rusty CastleberryTeam MembersTeam MembersLeft to right:Jared Smith, Claire Fage, Rusty Castleberry, Bryan Fly, Brittani PerezInitial IdeasInitial IdeasFan blades out of Coke cansThe axel would turn a series of gears, which would turn the generatorVertical standing windmillThree bladed fanPVC pipe generatorSupply ListSupply ListScrap Wood----FreeBalsa Wood----$4.86Copper Wiring----$11.99Wood Glue----FreeDowel Rods----FreeMagnets----$5.99Styrofoam Circle----$1.89Electric Tape----FreeDesign / ConstructionDesign / ConstructionConstructed generator using particle board, copper wire, and magnetsPlaced a dowel rod through the center of the generator, and than placed the magnets on top of the rod with spacersConstructed a wooden frame from scrap wood to hold the dowel rod in placeConstructed an axel with 5 balsa wooded fan blades, attached them to a circular Styrofoam centerpiece, and attached to the wooden frameCalculationsCalculationsVelocity = (16π) / .2sec = 251.327 in/secAcceleration = 251.327 / 1sec = 251.327 in/sec² = 6.382 m/sec²F = (.35kg)(6.382 m/sec²) = 2.2343 NP = (Fd)/t = [(2.2343 N)(16π/39.37)] / (1sec) = 2.8526 WProduces.5V = J/C U = ½CV² = ½(3.6 C)(.5)² = .45 J actualU = 2.8526 = ½(3.6)(V)² V possible = 1.259V .5V x 100 = efficiency1.259 40% = EFFICIENCYMass of Fan = 35 gramsRadius = 8 inchesCircumference = 16π1 meter = 39.37 inchesFerrite magnetCharge on the magnet: 3.6CProblemsProblemsGenerator:◦Initially used PVC pipe: too thick.◦Magnet spinning wrong direction.◦Dimension adjustments due to friction within generator box.Windmill:◦Fan blades breaking.◦Styrofoam unstable.◦Issues with fan blades staying put.◦Not producing enough voltage to light bulbSolutions:◦Consulted as a team when problems happened to figure out solutions◦Remade generator box◦Double glued the fan blades on◦Continually tested until we achieved the desired outcomeFinal DesignFinal